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undertow: Undertow: Request Smuggling via Malformed HTTP Request Headers

🗓️ 10 Jun 2026 20:25:03Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 13 Views

Undertow flaw allows request smuggling when the first header line starts with spaces.

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20 Aug 2026 20:43Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.18.7 - 9.1
EPSS0.00677
SSVC
13